1/* 2 * Copyright 2017 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 */ 23#include <linux/module.h> 24#include <linux/slab.h> 25 26#include "vega12/smu9_driver_if.h" 27#include "vega12_processpptables.h" 28#include "ppatomfwctrl.h" 29#include "atomfirmware.h" 30#include "pp_debug.h" 31#include "cgs_common.h" 32#include "vega12_pptable.h" 33 34static void set_hw_cap(struct pp_hwmgr *hwmgr, bool enable, 35 enum phm_platform_caps cap) 36{ 37 if (enable) 38 phm_cap_set(hwmgr->platform_descriptor.platformCaps, cap); 39 else 40 phm_cap_unset(hwmgr->platform_descriptor.platformCaps, cap); 41} 42 43static const void *get_powerplay_table(struct pp_hwmgr *hwmgr) 44{ 45 int index = GetIndexIntoMasterDataTable(powerplayinfo); 46 47 u16 size; 48 u8 frev, crev; 49 const void *table_address = hwmgr->soft_pp_table; 50 51 if (!table_address) { 52 table_address = (ATOM_Vega12_POWERPLAYTABLE *) 53 smu_atom_get_data_table(hwmgr->adev, index, 54 &size, &frev, &crev); 55 56 hwmgr->soft_pp_table = table_address; /*Cache the result in RAM.*/ 57 hwmgr->soft_pp_table_size = size; 58 } 59 60 return table_address; 61} 62 63static int check_powerplay_tables( 64 struct pp_hwmgr *hwmgr, 65 const ATOM_Vega12_POWERPLAYTABLE *powerplay_table) 66{ 67 PP_ASSERT_WITH_CODE((powerplay_table->sHeader.format_revision >= 68 ATOM_VEGA12_TABLE_REVISION_VEGA12), 69 "Unsupported PPTable format!", return -1); 70 PP_ASSERT_WITH_CODE(powerplay_table->sHeader.structuresize > 0, 71 "Invalid PowerPlay Table!", return -1); 72 73 return 0; 74} 75 76static int set_platform_caps(struct pp_hwmgr *hwmgr, uint32_t powerplay_caps) 77{ 78 set_hw_cap( 79 hwmgr, 80 0 != (powerplay_caps & ATOM_VEGA12_PP_PLATFORM_CAP_POWERPLAY), 81 PHM_PlatformCaps_PowerPlaySupport); 82 83 set_hw_cap( 84 hwmgr, 85 0 != (powerplay_caps & ATOM_VEGA12_PP_PLATFORM_CAP_SBIOSPOWERSOURCE), 86 PHM_PlatformCaps_BiosPowerSourceControl); 87 88 set_hw_cap( 89 hwmgr, 90 0 != (powerplay_caps & ATOM_VEGA12_PP_PLATFORM_CAP_BACO), 91 PHM_PlatformCaps_BACO); 92 93 set_hw_cap( 94 hwmgr, 95 0 != (powerplay_caps & ATOM_VEGA12_PP_PLATFORM_CAP_BAMACO), 96 PHM_PlatformCaps_BAMACO); 97 98 return 0; 99} 100 101static int append_vbios_pptable(struct pp_hwmgr *hwmgr, PPTable_t *ppsmc_pptable) 102{ 103 struct pp_atomfwctrl_smc_dpm_parameters smc_dpm_table; 104 105 PP_ASSERT_WITH_CODE( 106 pp_atomfwctrl_get_smc_dpm_information(hwmgr, &smc_dpm_table) == 0, 107 "[appendVbiosPPTable] Failed to retrieve Smc Dpm Table from VBIOS!", 108 return -1); 109 110 ppsmc_pptable->Liquid1_I2C_address = smc_dpm_table.liquid1_i2c_address; 111 ppsmc_pptable->Liquid2_I2C_address = smc_dpm_table.liquid2_i2c_address; 112 ppsmc_pptable->Vr_I2C_address = smc_dpm_table.vr_i2c_address; 113 ppsmc_pptable->Plx_I2C_address = smc_dpm_table.plx_i2c_address; 114 115 ppsmc_pptable->Liquid_I2C_LineSCL = smc_dpm_table.liquid_i2c_linescl; 116 ppsmc_pptable->Liquid_I2C_LineSDA = smc_dpm_table.liquid_i2c_linesda; 117 ppsmc_pptable->Vr_I2C_LineSCL = smc_dpm_table.vr_i2c_linescl; 118 ppsmc_pptable->Vr_I2C_LineSDA = smc_dpm_table.vr_i2c_linesda; 119 120 ppsmc_pptable->Plx_I2C_LineSCL = smc_dpm_table.plx_i2c_linescl; 121 ppsmc_pptable->Plx_I2C_LineSDA = smc_dpm_table.plx_i2c_linesda; 122 ppsmc_pptable->VrSensorPresent = smc_dpm_table.vrsensorpresent; 123 ppsmc_pptable->LiquidSensorPresent = smc_dpm_table.liquidsensorpresent; 124 125 ppsmc_pptable->MaxVoltageStepGfx = smc_dpm_table.maxvoltagestepgfx; 126 ppsmc_pptable->MaxVoltageStepSoc = smc_dpm_table.maxvoltagestepsoc; 127 128 ppsmc_pptable->VddGfxVrMapping = smc_dpm_table.vddgfxvrmapping; 129 ppsmc_pptable->VddSocVrMapping = smc_dpm_table.vddsocvrmapping; 130 ppsmc_pptable->VddMem0VrMapping = smc_dpm_table.vddmem0vrmapping; 131 ppsmc_pptable->VddMem1VrMapping = smc_dpm_table.vddmem1vrmapping; 132 133 ppsmc_pptable->GfxUlvPhaseSheddingMask = smc_dpm_table.gfxulvphasesheddingmask; 134 ppsmc_pptable->SocUlvPhaseSheddingMask = smc_dpm_table.soculvphasesheddingmask; 135 136 ppsmc_pptable->GfxMaxCurrent = smc_dpm_table.gfxmaxcurrent; 137 ppsmc_pptable->GfxOffset = smc_dpm_table.gfxoffset; 138 ppsmc_pptable->Padding_TelemetryGfx = smc_dpm_table.padding_telemetrygfx; 139 140 ppsmc_pptable->SocMaxCurrent = smc_dpm_table.socmaxcurrent; 141 ppsmc_pptable->SocOffset = smc_dpm_table.socoffset; 142 ppsmc_pptable->Padding_TelemetrySoc = smc_dpm_table.padding_telemetrysoc; 143 144 ppsmc_pptable->Mem0MaxCurrent = smc_dpm_table.mem0maxcurrent; 145 ppsmc_pptable->Mem0Offset = smc_dpm_table.mem0offset; 146 ppsmc_pptable->Padding_TelemetryMem0 = smc_dpm_table.padding_telemetrymem0; 147 148 ppsmc_pptable->Mem1MaxCurrent = smc_dpm_table.mem1maxcurrent; 149 ppsmc_pptable->Mem1Offset = smc_dpm_table.mem1offset; 150 ppsmc_pptable->Padding_TelemetryMem1 = smc_dpm_table.padding_telemetrymem1; 151 152 ppsmc_pptable->AcDcGpio = smc_dpm_table.acdcgpio; 153 ppsmc_pptable->AcDcPolarity = smc_dpm_table.acdcpolarity; 154 ppsmc_pptable->VR0HotGpio = smc_dpm_table.vr0hotgpio; 155 ppsmc_pptable->VR0HotPolarity = smc_dpm_table.vr0hotpolarity; 156 157 ppsmc_pptable->VR1HotGpio = smc_dpm_table.vr1hotgpio; 158 ppsmc_pptable->VR1HotPolarity = smc_dpm_table.vr1hotpolarity; 159 ppsmc_pptable->Padding1 = smc_dpm_table.padding1; 160 ppsmc_pptable->Padding2 = smc_dpm_table.padding2; 161 162 ppsmc_pptable->LedPin0 = smc_dpm_table.ledpin0; 163 ppsmc_pptable->LedPin1 = smc_dpm_table.ledpin1; 164 ppsmc_pptable->LedPin2 = smc_dpm_table.ledpin2; 165 166 ppsmc_pptable->PllGfxclkSpreadEnabled = smc_dpm_table.pllgfxclkspreadenabled; 167 ppsmc_pptable->PllGfxclkSpreadPercent = smc_dpm_table.pllgfxclkspreadpercent; 168 ppsmc_pptable->PllGfxclkSpreadFreq = smc_dpm_table.pllgfxclkspreadfreq; 169 170 ppsmc_pptable->UclkSpreadEnabled = 0; 171 ppsmc_pptable->UclkSpreadPercent = smc_dpm_table.uclkspreadpercent; 172 ppsmc_pptable->UclkSpreadFreq = smc_dpm_table.uclkspreadfreq; 173 174 ppsmc_pptable->SocclkSpreadEnabled = 0; 175 ppsmc_pptable->SocclkSpreadPercent = smc_dpm_table.socclkspreadpercent; 176 ppsmc_pptable->SocclkSpreadFreq = smc_dpm_table.socclkspreadfreq; 177 178 ppsmc_pptable->AcgGfxclkSpreadEnabled = smc_dpm_table.acggfxclkspreadenabled; 179 ppsmc_pptable->AcgGfxclkSpreadPercent = smc_dpm_table.acggfxclkspreadpercent; 180 ppsmc_pptable->AcgGfxclkSpreadFreq = smc_dpm_table.acggfxclkspreadfreq; 181 182 ppsmc_pptable->Vr2_I2C_address = smc_dpm_table.Vr2_I2C_address; 183 184 ppsmc_pptable->Vr2_I2C_address = smc_dpm_table.Vr2_I2C_address; 185 186 return 0; 187} 188 189#define VEGA12_ENGINECLOCK_HARDMAX 198000 190static int init_powerplay_table_information( 191 struct pp_hwmgr *hwmgr, 192 const ATOM_Vega12_POWERPLAYTABLE *powerplay_table) 193{ 194 struct phm_ppt_v3_information *pptable_information = 195 (struct phm_ppt_v3_information *)hwmgr->pptable; 196 uint32_t disable_power_control = 0; 197 198 hwmgr->thermal_controller.ucType = powerplay_table->ucThermalControllerType; 199 pptable_information->uc_thermal_controller_type = powerplay_table->ucThermalControllerType; 200 201 set_hw_cap(hwmgr, 202 ATOM_VEGA12_PP_THERMALCONTROLLER_NONE != hwmgr->thermal_controller.ucType, 203 PHM_PlatformCaps_ThermalController); 204 205 phm_cap_set(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl); 206 207 if (le32_to_cpu(powerplay_table->ODSettingsMax[ATOM_VEGA12_ODSETTING_GFXCLKFMAX]) > VEGA12_ENGINECLOCK_HARDMAX) 208 hwmgr->platform_descriptor.overdriveLimit.engineClock = VEGA12_ENGINECLOCK_HARDMAX; 209 else 210 hwmgr->platform_descriptor.overdriveLimit.engineClock = 211 le32_to_cpu(powerplay_table->ODSettingsMax[ATOM_VEGA12_ODSETTING_GFXCLKFMAX]); 212 hwmgr->platform_descriptor.overdriveLimit.memoryClock = 213 le32_to_cpu(powerplay_table->ODSettingsMax[ATOM_VEGA12_ODSETTING_UCLKFMAX]); 214 215 phm_copy_overdrive_settings_limits_array(hwmgr, 216 &pptable_information->od_settings_max, 217 powerplay_table->ODSettingsMax, 218 ATOM_VEGA12_ODSETTING_COUNT); 219 phm_copy_overdrive_settings_limits_array(hwmgr, 220 &pptable_information->od_settings_min, 221 powerplay_table->ODSettingsMin, 222 ATOM_VEGA12_ODSETTING_COUNT); 223 224 /* hwmgr->platformDescriptor.minOverdriveVDDC = 0; 225 hwmgr->platformDescriptor.maxOverdriveVDDC = 0; 226 hwmgr->platformDescriptor.overdriveVDDCStep = 0; */ 227 228 if (hwmgr->platform_descriptor.overdriveLimit.engineClock > 0 229 && hwmgr->platform_descriptor.overdriveLimit.memoryClock > 0) 230 phm_cap_set(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_ACOverdriveSupport); 231 232 pptable_information->us_small_power_limit1 = le16_to_cpu(powerplay_table->usSmallPowerLimit1); 233 pptable_information->us_small_power_limit2 = le16_to_cpu(powerplay_table->usSmallPowerLimit2); 234 pptable_information->us_boost_power_limit = le16_to_cpu(powerplay_table->usBoostPowerLimit); 235 pptable_information->us_od_turbo_power_limit = le16_to_cpu(powerplay_table->usODTurboPowerLimit); 236 pptable_information->us_od_powersave_power_limit = le16_to_cpu(powerplay_table->usODPowerSavePowerLimit); 237 238 pptable_information->us_software_shutdown_temp = le16_to_cpu(powerplay_table->usSoftwareShutdownTemp); 239 240 hwmgr->platform_descriptor.TDPODLimit = le32_to_cpu(powerplay_table->ODSettingsMax[ATOM_VEGA12_ODSETTING_POWERPERCENTAGE]); 241 242 disable_power_control = 0; 243 if (!disable_power_control) { 244 /* enable TDP overdrive (PowerControl) feature as well if supported */ 245 if (hwmgr->platform_descriptor.TDPODLimit) 246 phm_cap_set(hwmgr->platform_descriptor.platformCaps, 247 PHM_PlatformCaps_PowerControl); 248 } 249 250 phm_copy_clock_limits_array(hwmgr, &pptable_information->power_saving_clock_max, powerplay_table->PowerSavingClockMax, ATOM_VEGA12_PPCLOCK_COUNT); 251 phm_copy_clock_limits_array(hwmgr, &pptable_information->power_saving_clock_min, powerplay_table->PowerSavingClockMin, ATOM_VEGA12_PPCLOCK_COUNT); 252 253 pptable_information->smc_pptable = kmemdup(&(powerplay_table->smcPPTable), 254 sizeof(PPTable_t), GFP_KERNEL); 255 if (pptable_information->smc_pptable == NULL) 256 return -ENOMEM; 257 258 return append_vbios_pptable(hwmgr, (pptable_information->smc_pptable)); 259} 260 261static int vega12_pp_tables_initialize(struct pp_hwmgr *hwmgr) 262{ 263 int result = 0; 264 const ATOM_Vega12_POWERPLAYTABLE *powerplay_table; 265 266 hwmgr->pptable = kzalloc(sizeof(struct phm_ppt_v3_information), GFP_KERNEL); 267 PP_ASSERT_WITH_CODE((hwmgr->pptable != NULL), 268 "Failed to allocate hwmgr->pptable!", return -ENOMEM); 269 270 powerplay_table = get_powerplay_table(hwmgr); 271 PP_ASSERT_WITH_CODE((powerplay_table != NULL), 272 "Missing PowerPlay Table!", return -1); 273 274 result = check_powerplay_tables(hwmgr, powerplay_table); 275 PP_ASSERT_WITH_CODE((result == 0), 276 "check_powerplay_tables failed", return result); 277 278 result = set_platform_caps(hwmgr, 279 le32_to_cpu(powerplay_table->ulPlatformCaps)); 280 PP_ASSERT_WITH_CODE((result == 0), 281 "set_platform_caps failed", return result); 282 283 result = init_powerplay_table_information(hwmgr, powerplay_table); 284 PP_ASSERT_WITH_CODE((result == 0), 285 "init_powerplay_table_information failed", return result); 286 287 return result; 288} 289 290static int vega12_pp_tables_uninitialize(struct pp_hwmgr *hwmgr) 291{ 292 struct phm_ppt_v3_information *pp_table_info = 293 (struct phm_ppt_v3_information *)(hwmgr->pptable); 294 295 kfree(pp_table_info->power_saving_clock_max); 296 pp_table_info->power_saving_clock_max = NULL; 297 298 kfree(pp_table_info->power_saving_clock_min); 299 pp_table_info->power_saving_clock_min = NULL; 300 301 kfree(pp_table_info->od_settings_max); 302 pp_table_info->od_settings_max = NULL; 303 304 kfree(pp_table_info->od_settings_min); 305 pp_table_info->od_settings_min = NULL; 306 307 kfree(pp_table_info->smc_pptable); 308 pp_table_info->smc_pptable = NULL; 309 310 kfree(hwmgr->pptable); 311 hwmgr->pptable = NULL; 312 313 return 0; 314} 315 316const struct pp_table_func vega12_pptable_funcs = { 317 .pptable_init = vega12_pp_tables_initialize, 318 .pptable_fini = vega12_pp_tables_uninitialize, 319}; 320 321#if 0 322static uint32_t make_classification_flags(struct pp_hwmgr *hwmgr, 323 uint16_t classification, uint16_t classification2) 324{ 325 uint32_t result = 0; 326 327 if (classification & ATOM_PPLIB_CLASSIFICATION_BOOT) 328 result |= PP_StateClassificationFlag_Boot; 329 330 if (classification & ATOM_PPLIB_CLASSIFICATION_THERMAL) 331 result |= PP_StateClassificationFlag_Thermal; 332 333 if (classification & ATOM_PPLIB_CLASSIFICATION_LIMITEDPOWERSOURCE) 334 result |= PP_StateClassificationFlag_LimitedPowerSource; 335 336 if (classification & ATOM_PPLIB_CLASSIFICATION_REST) 337 result |= PP_StateClassificationFlag_Rest; 338 339 if (classification & ATOM_PPLIB_CLASSIFICATION_FORCED) 340 result |= PP_StateClassificationFlag_Forced; 341 342 if (classification & ATOM_PPLIB_CLASSIFICATION_ACPI) 343 result |= PP_StateClassificationFlag_ACPI; 344 345 if (classification2 & ATOM_PPLIB_CLASSIFICATION2_LIMITEDPOWERSOURCE_2) 346 result |= PP_StateClassificationFlag_LimitedPowerSource_2; 347 348 return result; 349} 350 351int vega12_get_powerplay_table_entry(struct pp_hwmgr *hwmgr, 352 uint32_t entry_index, struct pp_power_state *power_state, 353 int (*call_back_func)(struct pp_hwmgr *, void *, 354 struct pp_power_state *, void *, uint32_t)) 355{ 356 int result = 0; 357 const ATOM_Vega12_State_Array *state_arrays; 358 const ATOM_Vega12_State *state_entry; 359 const ATOM_Vega12_POWERPLAYTABLE *pp_table = 360 get_powerplay_table(hwmgr); 361 362 PP_ASSERT_WITH_CODE(pp_table, "Missing PowerPlay Table!", 363 return -1;); 364 power_state->classification.bios_index = entry_index; 365 366 if (pp_table->sHeader.format_revision >= 367 ATOM_Vega12_TABLE_REVISION_VEGA12) { 368 state_arrays = (ATOM_Vega12_State_Array *) 369 (((unsigned long)pp_table) + 370 le16_to_cpu(pp_table->usStateArrayOffset)); 371 372 PP_ASSERT_WITH_CODE(pp_table->usStateArrayOffset > 0, 373 "Invalid PowerPlay Table State Array Offset.", 374 return -1); 375 PP_ASSERT_WITH_CODE(state_arrays->ucNumEntries > 0, 376 "Invalid PowerPlay Table State Array.", 377 return -1); 378 PP_ASSERT_WITH_CODE((entry_index <= state_arrays->ucNumEntries), 379 "Invalid PowerPlay Table State Array Entry.", 380 return -1); 381 382 state_entry = &(state_arrays->states[entry_index]); 383 384 result = call_back_func(hwmgr, (void *)state_entry, power_state, 385 (void *)pp_table, 386 make_classification_flags(hwmgr, 387 le16_to_cpu(state_entry->usClassification), 388 le16_to_cpu(state_entry->usClassification2))); 389 } 390 391 if (!result && (power_state->classification.flags & 392 PP_StateClassificationFlag_Boot)) 393 result = hwmgr->hwmgr_func->patch_boot_state(hwmgr, &(power_state->hardware)); 394 395 return result; 396} 397#endif 398